Finding the Fourth Proportional to 371,768.13, 513,044.69 and 202,005.09
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Solution
The fourth proportional to 371,768.13, 513,044.69 and 202,005.09 is: 278,769.56
Step by Step Solution
- Step 1: Write the proportion equation
371,768.13 : 513,044.69 = 202,005.09 : x - Step 2: Convert to fraction form
371,768.13/513,044.69 = 202,005.09/x - Step 3: Cross multiply
371,768.13x = 513,044.69 × 202,005.09 - Step 4: Simplify right side
371,768.13x = 103,637,637,767.45 - Step 5: Solve for x
x = 103,637,637,767.45/371,768.13 - Step 6: Final answer
x = 278,769.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.